/*
 * @Author: chentao 
 * @Date: 2022-05-17 14:04:13 
 * @Last Modified by: chentao
 * @Last Modified time: 2022-05-17 14:05:59
 */
let func: (x: number) => number

//调用函数
func = (x: number)=>{
    return x;
};
const resultNum = func(6);
console.log(`数值:${resultNum}`)